Ecology Crossword Puzzle

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Across
  1. 2. Humans guiding the breeding of organisms.
  2. 3. Structural, behavioral, or physiological traits that help survival.
  3. 8. When two populations develop enough genetic differences to become separate species.
  4. 10. The variety of life in an area.
  5. 12. Occurs when females choose mates based on certain traits or behaviors.
  6. 13. Physical resemblance to another species for protection.
  7. 14. The specific environment an organism lives in.
  8. 15. Organisms competing for the same resource or mate.
  9. 17. An individual living thing.
  10. 18. A trait that increases survival or reproduction tends to become more common through this process.
  11. 19. Variety of genes within a population.
Down
  1. 1. Resources that restrict population growth.
  2. 4. When unrelated species evolve similar traits.
  3. 5. All the living and nonliving things that interact in a particular place.
  4. 6. A group of organisms of the same species in an area.
  5. 7. The area on and around Earth where life exists.
  6. 9. Nonliving factors in an environment.
  7. 11. Study of relationships between organisms and their environment.
  8. 16. When one organism hunts and kills another.